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प्रश्न
'Each measuring instrument has a limit of accuracy'. Comment on the statement.
टीपा लिहा
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उत्तर
Accuracy is the extent to which a reported measurement approaches the true value of the quantity measured. This extent is usually described by the least count of the instrument and since the least count for a given instrument is limited hence, the accuracy of the instrument is limited.
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Vernier Callipers
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संबंधित प्रश्न
When is a vernier Callipers said to be free from zero error?
Describe in steps, how would you use a vernier callipers to measure the length of a small rod?
Name the part of the vernier callipers which is used to measure the following
Thickness of a pencil.
For what range of measurement is micrometre screw gauge used?
What do you understand by the following term as applied to screw gauge?
Zero error
State two limitations of a metre rule.
Can we measure the thickness of a piece of paper by vernier calipers?
A screw gauge has 50 divisions on its circular scale and the pitch of the screw is 0.5 mm. What us its least count?
What is meant by the pitch of a screw gauge? The pitch of a screw is 1 mm.
Find the reading of the instrument shown in the following figure.
A vernier caliper using the scale invented by Galileo.
